1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
|
import {
NOTIFICATIONS_MOUNT,
NOTIFICATIONS_UNMOUNT,
NOTIFICATIONS_SET_VISIBILITY,
NOTIFICATIONS_UPDATE,
NOTIFICATIONS_EXPAND_SUCCESS,
NOTIFICATIONS_EXPAND_REQUEST,
NOTIFICATIONS_EXPAND_FAIL,
NOTIFICATIONS_FILTER_SET,
NOTIFICATIONS_CLEAR,
NOTIFICATIONS_SCROLL_TOP,
NOTIFICATIONS_LOAD_PENDING,
NOTIFICATIONS_DELETE_MARKED_REQUEST,
NOTIFICATIONS_DELETE_MARKED_SUCCESS,
NOTIFICATION_MARK_FOR_DELETE,
NOTIFICATIONS_DELETE_MARKED_FAIL,
NOTIFICATIONS_ENTER_CLEARING_MODE,
NOTIFICATIONS_MARK_ALL_FOR_DELETE,
NOTIFICATIONS_MARK_AS_READ,
NOTIFICATIONS_SET_BROWSER_SUPPORT,
NOTIFICATIONS_SET_BROWSER_PERMISSION,
} from 'flavours/glitch/actions/notifications';
import {
ACCOUNT_BLOCK_SUCCESS,
ACCOUNT_MUTE_SUCCESS,
FOLLOW_REQUEST_AUTHORIZE_SUCCESS,
FOLLOW_REQUEST_REJECT_SUCCESS,
} from 'flavours/glitch/actions/accounts';
import {
MARKERS_FETCH_SUCCESS,
} from 'flavours/glitch/actions/markers';
import { DOMAIN_BLOCK_SUCCESS } from 'flavours/glitch/actions/domain_blocks';
import { TIMELINE_DELETE, TIMELINE_DISCONNECT } from 'flavours/glitch/actions/timelines';
import { fromJS, Map as ImmutableMap, List as ImmutableList } from 'immutable';
import compareId from '../compare_id';
const initialState = ImmutableMap({
pendingItems: ImmutableList(),
items: ImmutableList(),
hasMore: true,
top: false,
mounted: 0,
unread: 0,
lastReadId: '0',
readMarkerId: '0',
isLoading: 0,
cleaningMode: false,
isTabVisible: true,
browserSupport: false,
browserPermission: 'default',
// notification removal mark of new notifs loaded whilst cleaningMode is true.
markNewForDelete: false,
});
const notificationToMap = (notification, markForDelete) => ImmutableMap({
id: notification.id,
type: notification.type,
account: notification.account.id,
markedForDelete: markForDelete,
status: notification.status ? notification.status.id : null,
report: notification.report ? fromJS(notification.report) : null,
});
const normalizeNotification = (state, notification, usePendingItems) => {
const markNewForDelete = state.get('markNewForDelete');
const top = state.get('top');
// Under currently unknown conditions, the client may receive duplicates from the server
if (state.get('pendingItems').some((item) => item?.get('id') === notification.id) || state.get('items').some((item) => item?.get('id') === notification.id)) {
return state;
}
if (usePendingItems || !state.get('pendingItems').isEmpty()) {
return state.update('pendingItems', list => list.unshift(notificationToMap(notification, markNewForDelete))).update('unread', unread => unread + 1);
}
if (shouldCountUnreadNotifications(state)) {
state = state.update('unread', unread => unread + 1);
} else {
state = state.set('lastReadId', notification.id);
}
return state.update('items', list => {
if (top && list.size > 40) {
list = list.take(20);
}
return list.unshift(notificationToMap(notification, markNewForDelete));
});
};
const expandNormalizedNotifications = (state, notifications, next, isLoadingMore, isLoadingRecent, usePendingItems) => {
// This method is pretty tricky because:
// - existing notifications might be out of order
// - the existing notifications may have gaps, most often explicitly noted with a `null` item
// - ideally, we don't want it to reorder existing items
// - `notifications` may include items that are already included
// - this function can be called either to fill in a gap, or load newer items
const markNewForDelete = state.get('markNewForDelete');
const lastReadId = state.get('lastReadId');
const newItems = ImmutableList(notifications.map((notification) => notificationToMap(notification, markNewForDelete)));
return state.withMutations(mutable => {
if (!newItems.isEmpty()) {
usePendingItems = isLoadingRecent && (usePendingItems || !mutable.get('pendingItems').isEmpty());
mutable.update(usePendingItems ? 'pendingItems' : 'items', oldItems => {
// If called to poll *new* notifications, we just need to add them on top without duplicates
if (isLoadingRecent) {
const idsToCheck = oldItems.map(item => item?.get('id')).toSet();
const insertedItems = newItems.filterNot(item => idsToCheck.includes(item.get('id')));
return insertedItems.concat(oldItems);
}
// If called to expand more (presumably older than any known to the WebUI), we just have to
// add them to the bottom without duplicates
if (isLoadingMore) {
const idsToCheck = oldItems.map(item => item?.get('id')).toSet();
const insertedItems = newItems.filterNot(item => idsToCheck.includes(item.get('id')));
return oldItems.concat(insertedItems);
}
// Now this gets tricky, as we don't necessarily know for sure where the gap to fill is,
// and some items in the timeline may not be properly ordered.
// However, we know that `newItems.last()` is the oldest item that was requested and that
// there is no “hole” between `newItems.last()` and `newItems.first()`.
// First, find the furthest (if properly sorted, oldest) item in the notifications that is
// newer than the oldest fetched one, as it's most likely that it delimits the gap.
// Start the gap *after* that item.
const lastIndex = oldItems.findLastIndex(item => item !== null && compareId(item.get('id'), newItems.last().get('id')) >= 0) + 1;
// Then, try to find the furthest (if properly sorted, oldest) item in the notifications that
// is newer than the most recent fetched one, as it delimits a section comprised of only
// items older or within `newItems` (or that were deleted from the server, so should be removed
// anyway).
// Stop the gap *after* that item.
const firstIndex = oldItems.take(lastIndex).findLastIndex(item => item !== null && compareId(item.get('id'), newItems.first().get('id')) > 0) + 1;
// At this point:
// - no `oldItems` after `firstIndex` is newer than any of the `newItems`
// - all `oldItems` after `lastIndex` are older than every of the `newItems`
// - it is possible for items in the replaced slice to be older than every `newItems`
// - it is possible for items before `firstIndex` to be in the `newItems` range
// Therefore:
// - to avoid losing items, items from the replaced slice that are older than `newItems`
// should be added in the back.
// - to avoid duplicates, `newItems` should be checked the first `firstIndex` items of
// `oldItems`
const idsToCheck = oldItems.take(firstIndex).map(item => item?.get('id')).toSet();
const insertedItems = newItems.filterNot(item => idsToCheck.includes(item.get('id')));
const olderItems = oldItems.slice(firstIndex, lastIndex).filter(item => item !== null && compareId(item.get('id'), newItems.last().get('id')) < 0);
return oldItems.take(firstIndex).concat(
insertedItems,
olderItems,
oldItems.skip(lastIndex),
);
});
}
if (!next) {
mutable.set('hasMore', false);
}
if (shouldCountUnreadNotifications(state)) {
mutable.set('unread', mutable.get('pendingItems').count(item => item !== null) + mutable.get('items').count(item => item && compareId(item.get('id'), lastReadId) > 0));
} else {
const mostRecent = newItems.find(item => item !== null);
if (mostRecent && compareId(lastReadId, mostRecent.get('id')) < 0) {
mutable.set('lastReadId', mostRecent.get('id'));
}
}
mutable.update('isLoading', (nbLoading) => nbLoading - 1);
});
};
const filterNotifications = (state, accountIds, type) => {
const helper = list => list.filterNot(item => item !== null && accountIds.includes(item.get('account')) && (type === undefined || type === item.get('type')));
return state.update('items', helper).update('pendingItems', helper);
};
const clearUnread = (state) => {
state = state.set('unread', state.get('pendingItems').size);
const lastNotification = state.get('items').find(item => item !== null);
return state.set('lastReadId', lastNotification ? lastNotification.get('id') : '0');
};
const updateTop = (state, top) => {
state = state.set('top', top);
if (!shouldCountUnreadNotifications(state)) {
state = clearUnread(state);
}
return state;
};
const deleteByStatus = (state, statusId) => {
const lastReadId = state.get('lastReadId');
if (shouldCountUnreadNotifications(state)) {
const deletedUnread = state.get('items').filter(item => item !== null && item.get('status') === statusId && compareId(item.get('id'), lastReadId) > 0);
state = state.update('unread', unread => unread - deletedUnread.size);
}
const helper = list => list.filterNot(item => item !== null && item.get('status') === statusId);
const deletedUnread = state.get('pendingItems').filter(item => item !== null && item.get('status') === statusId && compareId(item.get('id'), lastReadId) > 0);
state = state.update('unread', unread => unread - deletedUnread.size);
return state.update('items', helper).update('pendingItems', helper);
};
const markForDelete = (state, notificationId, yes) => {
return state.update('items', list => list.map(item => {
if (item === null) {
return null;
} else if(item.get('id') === notificationId) {
return item.set('markedForDelete', yes);
} else {
return item;
}
}));
};
const markAllForDelete = (state, yes) => {
return state.update('items', list => list.map(item => {
if (item === null) {
return null;
} else if(yes !== null) {
return item.set('markedForDelete', yes);
} else {
return item.set('markedForDelete', !item.get('markedForDelete'));
}
}));
};
const unmarkAllForDelete = (state) => {
return state.update('items', list => list.map(item => item === null ? item : item.set('markedForDelete', false)));
};
const deleteMarkedNotifs = (state) => {
return state.update('items', list => list.filterNot(item => item === null ? item : item.get('markedForDelete')));
};
const updateMounted = (state) => {
state = state.update('mounted', count => count + 1);
if (!shouldCountUnreadNotifications(state, state.get('mounted') === 1)) {
state = state.set('readMarkerId', state.get('lastReadId'));
state = clearUnread(state);
}
return state;
};
const updateVisibility = (state, visibility) => {
state = state.set('isTabVisible', visibility);
if (!shouldCountUnreadNotifications(state)) {
state = state.set('readMarkerId', state.get('lastReadId'));
state = clearUnread(state);
}
return state;
};
const shouldCountUnreadNotifications = (state, ignoreScroll = false) => {
const isTabVisible = state.get('isTabVisible');
const isOnTop = state.get('top');
const isMounted = state.get('mounted') > 0;
const lastReadId = state.get('lastReadId');
const lastItem = state.get('items').findLast(item => item !== null);
const lastItemReached = !state.get('hasMore') || lastReadId === '0' || (lastItem && compareId(lastItem.get('id'), lastReadId) <= 0);
return !(isTabVisible && (ignoreScroll || isOnTop) && isMounted && lastItemReached);
};
const recountUnread = (state, last_read_id) => {
return state.withMutations(mutable => {
if (compareId(last_read_id, mutable.get('lastReadId')) > 0) {
mutable.set('lastReadId', last_read_id);
}
if (compareId(last_read_id, mutable.get('readMarkerId')) > 0) {
mutable.set('readMarkerId', last_read_id);
}
if (state.get('unread') > 0 || shouldCountUnreadNotifications(state)) {
mutable.set('unread', mutable.get('pendingItems').count(item => item !== null) + mutable.get('items').count(item => item && compareId(item.get('id'), last_read_id) > 0));
}
});
};
export default function notifications(state = initialState, action) {
let st;
switch(action.type) {
case MARKERS_FETCH_SUCCESS:
return action.markers.notifications ? recountUnread(state, action.markers.notifications.last_read_id) : state;
case NOTIFICATIONS_MOUNT:
return updateMounted(state);
case NOTIFICATIONS_UNMOUNT:
return state.update('mounted', count => count - 1);
case NOTIFICATIONS_SET_VISIBILITY:
return updateVisibility(state, action.visibility);
case NOTIFICATIONS_LOAD_PENDING:
return state.update('items', list => state.get('pendingItems').concat(list.take(40))).set('pendingItems', ImmutableList()).set('unread', 0);
case NOTIFICATIONS_EXPAND_REQUEST:
case NOTIFICATIONS_DELETE_MARKED_REQUEST:
return state.update('isLoading', (nbLoading) => nbLoading + 1);
case NOTIFICATIONS_DELETE_MARKED_FAIL:
case NOTIFICATIONS_EXPAND_FAIL:
return state.update('isLoading', (nbLoading) => nbLoading - 1);
case NOTIFICATIONS_FILTER_SET:
return state.set('items', ImmutableList()).set('hasMore', true);
case NOTIFICATIONS_SCROLL_TOP:
return updateTop(state, action.top);
case NOTIFICATIONS_UPDATE:
return normalizeNotification(state, action.notification, action.usePendingItems);
case NOTIFICATIONS_EXPAND_SUCCESS:
return expandNormalizedNotifications(state, action.notifications, action.next, action.isLoadingMore, action.isLoadingRecent, action.usePendingItems);
case ACCOUNT_BLOCK_SUCCESS:
return filterNotifications(state, [action.relationship.id]);
case ACCOUNT_MUTE_SUCCESS:
return action.relationship.muting_notifications ? filterNotifications(state, [action.relationship.id]) : state;
case DOMAIN_BLOCK_SUCCESS:
return filterNotifications(state, action.accounts);
case FOLLOW_REQUEST_AUTHORIZE_SUCCESS:
case FOLLOW_REQUEST_REJECT_SUCCESS:
return filterNotifications(state, [action.id], 'follow_request');
case NOTIFICATIONS_CLEAR:
return state.set('items', ImmutableList()).set('pendingItems', ImmutableList()).set('hasMore', false);
case TIMELINE_DELETE:
return deleteByStatus(state, action.id);
case TIMELINE_DISCONNECT:
return action.timeline === 'home' ?
state.update(action.usePendingItems ? 'pendingItems' : 'items', items => items.first() ? items.unshift(null) : items) :
state;
case NOTIFICATIONS_SET_BROWSER_SUPPORT:
return state.set('browserSupport', action.value);
case NOTIFICATIONS_SET_BROWSER_PERMISSION:
return state.set('browserPermission', action.value);
case NOTIFICATION_MARK_FOR_DELETE:
return markForDelete(state, action.id, action.yes);
case NOTIFICATIONS_DELETE_MARKED_SUCCESS:
return deleteMarkedNotifs(state).update('isLoading', (nbLoading) => nbLoading - 1);
case NOTIFICATIONS_ENTER_CLEARING_MODE:
st = state.set('cleaningMode', action.yes);
if (!action.yes) {
return unmarkAllForDelete(st).set('markNewForDelete', false);
} else {
return st;
}
case NOTIFICATIONS_MARK_ALL_FOR_DELETE:
st = state;
if (action.yes === null) {
// Toggle - this is a bit confusing, as it toggles the all-none mode
//st = st.set('markNewForDelete', !st.get('markNewForDelete'));
} else {
st = st.set('markNewForDelete', action.yes);
}
return markAllForDelete(st, action.yes);
case NOTIFICATIONS_MARK_AS_READ:
const lastNotification = state.get('items').find(item => item !== null);
return lastNotification ? recountUnread(state, lastNotification.get('id')) : state;
default:
return state;
}
};
|